# A035357 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 7
5 39
6 409
7 4687
8 62822
9 945250
10 15999616
11 300150210
12 6198330586
13 139779046596
14 3420083177362
15 90241503643208
16 2554721759776914
17 77240614583288344
18 2484170781778551036